diff --git a/playbook.yml b/playbook.yml
index 209a181..6a6129e 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -24,4 +24,5 @@
             location: /
             auth: sram
             proxy_pass: http://localhost:3000
-            # proxy_set_header: "X-Remote-User-Mail $username@localhost"
+            proxy_set_header:
+              X-Remote-User-Mail: $username@localhost